Updating npm dependencies

Install update tool (if not already done)

npm install -g npm-check-updates

Check outdated packages

npm-check-updates

Update packages in package.json

npm-check-updates -u

Update local packages regarding package.json

npm udpate

Updating bower libraries

Install update tool (if not already done)

npm install -g npm-check-updates

Check outdated packages

npm-check-updates -m bower

Update packages in bower.json

npm-check-updates -u -m bower

Update local packages regarding package.json

bower udpate

Locking package versions

Lock down version using npm-shrinkwrap.json

npm shrinkwrap --dev